Home / 58,158.90-87,213.51-22,111.74

Finding the Fourth Proportional to 58,158.90, 87,213.51 and 22,111.74

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Solution

The fourth proportional to 58,158.90, 87,213.51 and 22,111.74 is: 33,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,158.90 : 87,213.51 = 22,111.74 : x
  2. Step 2: Convert to fraction form
    58,158.90/87,213.51 = 22,111.74/x
  3. Step 3: Cross multiply
    58,158.90x = 87,213.51 × 22,111.74
  4. Step 4: Simplify right side
    58,158.90x = 1,928,442,457.61
  5. Step 5: Solve for x
    x = 1,928,442,457.61/58,158.90
  6. Step 6: Final answer
    x = 33,158.17

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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.