Home / 42,955.98-64,433.40-13,373.70

Finding the Fourth Proportional to 42,955.98, 64,433.40 and 13,373.70

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Solution

The fourth proportional to 42,955.98, 64,433.40 and 13,373.70 is: 20,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,955.98 : 64,433.40 = 13,373.70 : x
  2. Step 2: Convert to fraction form
    42,955.98/64,433.40 = 13,373.70/x
  3. Step 3: Cross multiply
    42,955.98x = 64,433.40 × 13,373.70
  4. Step 4: Simplify right side
    42,955.98x = 861,712,961.58
  5. Step 5: Solve for x
    x = 861,712,961.58/42,955.98
  6. Step 6: Final answer
    x = 20,060.37

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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.