Home / 77,729.34-116,594.18-21,572.46

Finding the Fourth Proportional to 77,729.34, 116,594.18 and 21,572.46

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Solution

The fourth proportional to 77,729.34, 116,594.18 and 21,572.46 is: 32,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,729.34 : 116,594.18 = 21,572.46 : x
  2. Step 2: Convert to fraction form
    77,729.34/116,594.18 = 21,572.46/x
  3. Step 3: Cross multiply
    77,729.34x = 116,594.18 × 21,572.46
  4. Step 4: Simplify right side
    77,729.34x = 2,515,223,284.28
  5. Step 5: Solve for x
    x = 2,515,223,284.28/77,729.34
  6. Step 6: Final answer
    x = 32,358.74

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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.