Home / 45,280.31-67,920.50-15,698.17

Finding the Fourth Proportional to 45,280.31, 67,920.50 and 15,698.17

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Solution

The fourth proportional to 45,280.31, 67,920.50 and 15,698.17 is: 23,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,280.31 : 67,920.50 = 15,698.17 : x
  2. Step 2: Convert to fraction form
    45,280.31/67,920.50 = 15,698.17/x
  3. Step 3: Cross multiply
    45,280.31x = 67,920.50 × 15,698.17
  4. Step 4: Simplify right side
    45,280.31x = 1,066,227,555.49
  5. Step 5: Solve for x
    x = 1,066,227,555.49/45,280.31
  6. Step 6: Final answer
    x = 23,547.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.