Home / 58,575.32-87,844.80-21,130.50

Finding the Fourth Proportional to 58,575.32, 87,844.80 and 21,130.50

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Solution

The fourth proportional to 58,575.32, 87,844.80 and 21,130.50 is: 31,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,575.32 : 87,844.80 = 21,130.50 : x
  2. Step 2: Convert to fraction form
    58,575.32/87,844.80 = 21,130.50/x
  3. Step 3: Cross multiply
    58,575.32x = 87,844.80 × 21,130.50
  4. Step 4: Simplify right side
    58,575.32x = 1,856,204,772.10
  5. Step 5: Solve for x
    x = 1,856,204,772.10/58,575.32
  6. Step 6: Final answer
    x = 31,689.20

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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.