Home / 62,420.65-93,639.85-20,287.18

Finding the Fourth Proportional to 62,420.65, 93,639.85 and 20,287.18

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Solution

The fourth proportional to 62,420.65, 93,639.85 and 20,287.18 is: 30,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.65 : 93,639.85 = 20,287.18 : x
  2. Step 2: Convert to fraction form
    62,420.65/93,639.85 = 20,287.18/x
  3. Step 3: Cross multiply
    62,420.65x = 93,639.85 × 20,287.18
  4. Step 4: Simplify right side
    62,420.65x = 1,899,688,492.12
  5. Step 5: Solve for x
    x = 1,899,688,492.12/62,420.65
  6. Step 6: Final answer
    x = 30,433.65

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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.