Home / 42,630.74-58,811.74-40,654.34

Finding the Fourth Proportional to 42,630.74, 58,811.74 and 40,654.34

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Solution

The fourth proportional to 42,630.74, 58,811.74 and 40,654.34 is: 56,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,630.74 : 58,811.74 = 40,654.34 : x
  2. Step 2: Convert to fraction form
    42,630.74/58,811.74 = 40,654.34/x
  3. Step 3: Cross multiply
    42,630.74x = 58,811.74 × 40,654.34
  4. Step 4: Simplify right side
    42,630.74x = 2,390,952,473.95
  5. Step 5: Solve for x
    x = 2,390,952,473.95/42,630.74
  6. Step 6: Final answer
    x = 56,085.17

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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.