Home / 42,018.99-57,985.45-22,898.93

Finding the Fourth Proportional to 42,018.99, 57,985.45 and 22,898.93

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Solution

The fourth proportional to 42,018.99, 57,985.45 and 22,898.93 is: 31,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,018.99 : 57,985.45 = 22,898.93 : x
  2. Step 2: Convert to fraction form
    42,018.99/57,985.45 = 22,898.93/x
  3. Step 3: Cross multiply
    42,018.99x = 57,985.45 × 22,898.93
  4. Step 4: Simplify right side
    42,018.99x = 1,327,804,760.57
  5. Step 5: Solve for x
    x = 1,327,804,760.57/42,018.99
  6. Step 6: Final answer
    x = 31,600.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.