Home / 42,922.80-64,402.56-23,215.20

Finding the Fourth Proportional to 42,922.80, 64,402.56 and 23,215.20

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Solution

The fourth proportional to 42,922.80, 64,402.56 and 23,215.20 is: 34,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,922.80 : 64,402.56 = 23,215.20 : x
  2. Step 2: Convert to fraction form
    42,922.80/64,402.56 = 23,215.20/x
  3. Step 3: Cross multiply
    42,922.80x = 64,402.56 × 23,215.20
  4. Step 4: Simplify right side
    42,922.80x = 1,495,118,310.91
  5. Step 5: Solve for x
    x = 1,495,118,310.91/42,922.80
  6. Step 6: Final answer
    x = 34,832.73

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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.