Home / 30,748,325.09-42,430,666.59-17,693,476.92

Finding the Fourth Proportional to 30,748,325.09, 42,430,666.59 and 17,693,476.92

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Solution

The fourth proportional to 30,748,325.09, 42,430,666.59 and 17,693,476.92 is: 24,415,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748,325.09 : 42,430,666.59 = 17,693,476.92 : x
  2. Step 2: Convert to fraction form
    30,748,325.09/42,430,666.59 = 17,693,476.92/x
  3. Step 3: Cross multiply
    30,748,325.09x = 42,430,666.59 × 17,693,476.92
  4. Step 4: Simplify right side
    30,748,325.09x = 750,746,020,010,380.25
  5. Step 5: Solve for x
    x = 750,746,020,010,380.25/30,748,325.09
  6. Step 6: Final answer
    x = 24,415,834.62

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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.