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Finding the Fourth Proportional to 58,937.40, 88,406.10 and 49,606.20

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Solution

The fourth proportional to 58,937.40, 88,406.10 and 49,606.20 is: 74,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,937.40 : 88,406.10 = 49,606.20 : x
  2. Step 2: Convert to fraction form
    58,937.40/88,406.10 = 49,606.20/x
  3. Step 3: Cross multiply
    58,937.40x = 88,406.10 × 49,606.20
  4. Step 4: Simplify right side
    58,937.40x = 4,385,490,677.82
  5. Step 5: Solve for x
    x = 4,385,490,677.82/58,937.40
  6. Step 6: Final answer
    x = 74,409.30

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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.