Home / 56,386.65-84,547.17-21,329.04

Finding the Fourth Proportional to 56,386.65, 84,547.17 and 21,329.04

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Solution

The fourth proportional to 56,386.65, 84,547.17 and 21,329.04 is: 31,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,386.65 : 84,547.17 = 21,329.04 : x
  2. Step 2: Convert to fraction form
    56,386.65/84,547.17 = 21,329.04/x
  3. Step 3: Cross multiply
    56,386.65x = 84,547.17 × 21,329.04
  4. Step 4: Simplify right side
    56,386.65x = 1,803,309,548.08
  5. Step 5: Solve for x
    x = 1,803,309,548.08/56,386.65
  6. Step 6: Final answer
    x = 31,981.15

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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.