Home / 31,510.08-43,484.91-18,083.79

Finding the Fourth Proportional to 31,510.08, 43,484.91 and 18,083.79

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Solution

The fourth proportional to 31,510.08, 43,484.91 and 18,083.79 is: 24,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.08 : 43,484.91 = 18,083.79 : x
  2. Step 2: Convert to fraction form
    31,510.08/43,484.91 = 18,083.79/x
  3. Step 3: Cross multiply
    31,510.08x = 43,484.91 × 18,083.79
  4. Step 4: Simplify right side
    31,510.08x = 786,371,980.61
  5. Step 5: Solve for x
    x = 786,371,980.61/31,510.08
  6. Step 6: Final answer
    x = 24,956.20

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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.