Home / 40,030.65-55,239.17-23,035.84

Finding the Fourth Proportional to 40,030.65, 55,239.17 and 23,035.84

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Solution

The fourth proportional to 40,030.65, 55,239.17 and 23,035.84 is: 31,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.65 : 55,239.17 = 23,035.84 : x
  2. Step 2: Convert to fraction form
    40,030.65/55,239.17 = 23,035.84/x
  3. Step 3: Cross multiply
    40,030.65x = 55,239.17 × 23,035.84
  4. Step 4: Simplify right side
    40,030.65x = 1,272,480,428.58
  5. Step 5: Solve for x
    x = 1,272,480,428.58/40,030.65
  6. Step 6: Final answer
    x = 31,787.65

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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.