Home / 58,838.40-88,279.20-30,728.16

Finding the Fourth Proportional to 58,838.40, 88,279.20 and 30,728.16

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Solution

The fourth proportional to 58,838.40, 88,279.20 and 30,728.16 is: 46,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,838.40 : 88,279.20 = 30,728.16 : x
  2. Step 2: Convert to fraction form
    58,838.40/88,279.20 = 30,728.16/x
  3. Step 3: Cross multiply
    58,838.40x = 88,279.20 × 30,728.16
  4. Step 4: Simplify right side
    58,838.40x = 2,712,657,382.27
  5. Step 5: Solve for x
    x = 2,712,657,382.27/58,838.40
  6. Step 6: Final answer
    x = 46,103.52

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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.