Home / 58,387.90-87,581.79-18,945.01

Finding the Fourth Proportional to 58,387.90, 87,581.79 and 18,945.01

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Solution

The fourth proportional to 58,387.90, 87,581.79 and 18,945.01 is: 28,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,387.90 : 87,581.79 = 18,945.01 : x
  2. Step 2: Convert to fraction form
    58,387.90/87,581.79 = 18,945.01/x
  3. Step 3: Cross multiply
    58,387.90x = 87,581.79 × 18,945.01
  4. Step 4: Simplify right side
    58,387.90x = 1,659,237,449.46
  5. Step 5: Solve for x
    x = 1,659,237,449.46/58,387.90
  6. Step 6: Final answer
    x = 28,417.49

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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.