Home / 58,455.98-87,691.73-18,999.80

Finding the Fourth Proportional to 58,455.98, 87,691.73 and 18,999.80

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Solution

The fourth proportional to 58,455.98, 87,691.73 and 18,999.80 is: 28,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,455.98 : 87,691.73 = 18,999.80 : x
  2. Step 2: Convert to fraction form
    58,455.98/87,691.73 = 18,999.80/x
  3. Step 3: Cross multiply
    58,455.98x = 87,691.73 × 18,999.80
  4. Step 4: Simplify right side
    58,455.98x = 1,666,124,798.20
  5. Step 5: Solve for x
    x = 1,666,124,798.20/58,455.98
  6. Step 6: Final answer
    x = 28,502.22

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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.