Home / 39,981.93-59,925.13-18,605.79

Finding the Fourth Proportional to 39,981.93, 59,925.13 and 18,605.79

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Solution

The fourth proportional to 39,981.93, 59,925.13 and 18,605.79 is: 27,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981.93 : 59,925.13 = 18,605.79 : x
  2. Step 2: Convert to fraction form
    39,981.93/59,925.13 = 18,605.79/x
  3. Step 3: Cross multiply
    39,981.93x = 59,925.13 × 18,605.79
  4. Step 4: Simplify right side
    39,981.93x = 1,114,954,384.50
  5. Step 5: Solve for x
    x = 1,114,954,384.50/39,981.93
  6. Step 6: Final answer
    x = 27,886.46

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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.