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Finding the Fourth Proportional to 58,863.80, 88,274.10 and 19,422.20

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Solution

The fourth proportional to 58,863.80, 88,274.10 and 19,422.20 is: 29,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,863.80 : 88,274.10 = 19,422.20 : x
  2. Step 2: Convert to fraction form
    58,863.80/88,274.10 = 19,422.20/x
  3. Step 3: Cross multiply
    58,863.80x = 88,274.10 × 19,422.20
  4. Step 4: Simplify right side
    58,863.80x = 1,714,477,225.02
  5. Step 5: Solve for x
    x = 1,714,477,225.02/58,863.80
  6. Step 6: Final answer
    x = 29,126.17

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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.