Home / 30,919,200.40-42,685,061.79-23,839,330.69

Finding the Fourth Proportional to 30,919,200.40, 42,685,061.79 and 23,839,330.69

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Solution

The fourth proportional to 30,919,200.40, 42,685,061.79 and 23,839,330.69 is: 32,911,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919,200.40 : 42,685,061.79 = 23,839,330.69 : x
  2. Step 2: Convert to fraction form
    30,919,200.40/42,685,061.79 = 23,839,330.69/x
  3. Step 3: Cross multiply
    30,919,200.40x = 42,685,061.79 × 23,839,330.69
  4. Step 4: Simplify right side
    30,919,200.40x = 1,017,583,303,534,893.38
  5. Step 5: Solve for x
    x = 1,017,583,303,534,893.38/30,919,200.40
  6. Step 6: Final answer
    x = 32,911,048.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.