Home / 38,341,529.74-52,915,851.40-21,596,820.40

Finding the Fourth Proportional to 38,341,529.74, 52,915,851.40 and 21,596,820.40

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Solution

The fourth proportional to 38,341,529.74, 52,915,851.40 and 21,596,820.40 is: 29,806,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341,529.74 : 52,915,851.40 = 21,596,820.40 : x
  2. Step 2: Convert to fraction form
    38,341,529.74/52,915,851.40 = 21,596,820.40/x
  3. Step 3: Cross multiply
    38,341,529.74x = 52,915,851.40 × 21,596,820.40
  4. Step 4: Simplify right side
    38,341,529.74x = 1,142,814,138,998,888.50
  5. Step 5: Solve for x
    x = 1,142,814,138,998,888.50/38,341,529.74
  6. Step 6: Final answer
    x = 29,806,169.62

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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.