Home / 77,708.04-116,562.08-21,562.28

Finding the Fourth Proportional to 77,708.04, 116,562.08 and 21,562.28

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Solution

The fourth proportional to 77,708.04, 116,562.08 and 21,562.28 is: 32,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,708.04 : 116,562.08 = 21,562.28 : x
  2. Step 2: Convert to fraction form
    77,708.04/116,562.08 = 21,562.28/x
  3. Step 3: Cross multiply
    77,708.04x = 116,562.08 × 21,562.28
  4. Step 4: Simplify right side
    77,708.04x = 2,513,344,206.34
  5. Step 5: Solve for x
    x = 2,513,344,206.34/77,708.04
  6. Step 6: Final answer
    x = 32,343.43

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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.