Home / 42,703.26-64,043.85-12,710.46

Finding the Fourth Proportional to 42,703.26, 64,043.85 and 12,710.46

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Solution

The fourth proportional to 42,703.26, 64,043.85 and 12,710.46 is: 19,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703.26 : 64,043.85 = 12,710.46 : x
  2. Step 2: Convert to fraction form
    42,703.26/64,043.85 = 12,710.46/x
  3. Step 3: Cross multiply
    42,703.26x = 64,043.85 × 12,710.46
  4. Step 4: Simplify right side
    42,703.26x = 814,026,793.67
  5. Step 5: Solve for x
    x = 814,026,793.67/42,703.26
  6. Step 6: Final answer
    x = 19,062.40

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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.