Home / 42,675.47-64,006.45-14,595.47

Finding the Fourth Proportional to 42,675.47, 64,006.45 and 14,595.47

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Solution

The fourth proportional to 42,675.47, 64,006.45 and 14,595.47 is: 21,890.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,675.47 : 64,006.45 = 14,595.47 : x
  2. Step 2: Convert to fraction form
    42,675.47/64,006.45 = 14,595.47/x
  3. Step 3: Cross multiply
    42,675.47x = 64,006.45 × 14,595.47
  4. Step 4: Simplify right side
    42,675.47x = 934,204,220.78
  5. Step 5: Solve for x
    x = 934,204,220.78/42,675.47
  6. Step 6: Final answer
    x = 21,890.89

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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.