Home / 56,154.13-84,225.42-18,710.16

Finding the Fourth Proportional to 56,154.13, 84,225.42 and 18,710.16

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Solution

The fourth proportional to 56,154.13, 84,225.42 and 18,710.16 is: 28,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,154.13 : 84,225.42 = 18,710.16 : x
  2. Step 2: Convert to fraction form
    56,154.13/84,225.42 = 18,710.16/x
  3. Step 3: Cross multiply
    56,154.13x = 84,225.42 × 18,710.16
  4. Step 4: Simplify right side
    56,154.13x = 1,575,870,768.42
  5. Step 5: Solve for x
    x = 1,575,870,768.42/56,154.13
  6. Step 6: Final answer
    x = 28,063.31

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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.