Home / 39,547.70-59,341.02-18,489.18

Finding the Fourth Proportional to 39,547.70, 59,341.02 and 18,489.18

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Solution

The fourth proportional to 39,547.70, 59,341.02 and 18,489.18 is: 27,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,547.70 : 59,341.02 = 18,489.18 : x
  2. Step 2: Convert to fraction form
    39,547.70/59,341.02 = 18,489.18/x
  3. Step 3: Cross multiply
    39,547.70x = 59,341.02 × 18,489.18
  4. Step 4: Simplify right side
    39,547.70x = 1,097,166,800.16
  5. Step 5: Solve for x
    x = 1,097,166,800.16/39,547.70
  6. Step 6: Final answer
    x = 27,742.87

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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.