Home / 53,331.30-73,602.90-30,671.28

Finding the Fourth Proportional to 53,331.30, 73,602.90 and 30,671.28

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Solution

The fourth proportional to 53,331.30, 73,602.90 and 30,671.28 is: 42,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,331.30 : 73,602.90 = 30,671.28 : x
  2. Step 2: Convert to fraction form
    53,331.30/73,602.90 = 30,671.28/x
  3. Step 3: Cross multiply
    53,331.30x = 73,602.90 × 30,671.28
  4. Step 4: Simplify right side
    53,331.30x = 2,257,495,154.71
  5. Step 5: Solve for x
    x = 2,257,495,154.71/53,331.30
  6. Step 6: Final answer
    x = 42,329.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.