Home / 39,719.29-59,541.84-13,405.63

Finding the Fourth Proportional to 39,719.29, 59,541.84 and 13,405.63

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Solution

The fourth proportional to 39,719.29, 59,541.84 and 13,405.63 is: 20,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.29 : 59,541.84 = 13,405.63 : x
  2. Step 2: Convert to fraction form
    39,719.29/59,541.84 = 13,405.63/x
  3. Step 3: Cross multiply
    39,719.29x = 59,541.84 × 13,405.63
  4. Step 4: Simplify right side
    39,719.29x = 798,195,876.56
  5. Step 5: Solve for x
    x = 798,195,876.56/39,719.29
  6. Step 6: Final answer
    x = 20,095.93

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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.