Home / 53,390.04-80,133.42-28,451.16

Finding the Fourth Proportional to 53,390.04, 80,133.42 and 28,451.16

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Solution

The fourth proportional to 53,390.04, 80,133.42 and 28,451.16 is: 42,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.04 : 80,133.42 = 28,451.16 : x
  2. Step 2: Convert to fraction form
    53,390.04/80,133.42 = 28,451.16/x
  3. Step 3: Cross multiply
    53,390.04x = 80,133.42 × 28,451.16
  4. Step 4: Simplify right side
    53,390.04x = 2,279,888,753.77
  5. Step 5: Solve for x
    x = 2,279,888,753.77/53,390.04
  6. Step 6: Final answer
    x = 42,702.51

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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.