Home / 48,037.04-72,129.30-42,821.04

Finding the Fourth Proportional to 48,037.04, 72,129.30 and 42,821.04

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Solution

The fourth proportional to 48,037.04, 72,129.30 and 42,821.04 is: 64,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,037.04 : 72,129.30 = 42,821.04 : x
  2. Step 2: Convert to fraction form
    48,037.04/72,129.30 = 42,821.04/x
  3. Step 3: Cross multiply
    48,037.04x = 72,129.30 × 42,821.04
  4. Step 4: Simplify right side
    48,037.04x = 3,088,651,640.47
  5. Step 5: Solve for x
    x = 3,088,651,640.47/48,037.04
  6. Step 6: Final answer
    x = 64,297.29

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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.