Home / 39,904.44-59,851.76-10,319.78

Finding the Fourth Proportional to 39,904.44, 59,851.76 and 10,319.78

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Solution

The fourth proportional to 39,904.44, 59,851.76 and 10,319.78 is: 15,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.44 : 59,851.76 = 10,319.78 : x
  2. Step 2: Convert to fraction form
    39,904.44/59,851.76 = 10,319.78/x
  3. Step 3: Cross multiply
    39,904.44x = 59,851.76 × 10,319.78
  4. Step 4: Simplify right side
    39,904.44x = 617,656,995.81
  5. Step 5: Solve for x
    x = 617,656,995.81/39,904.44
  6. Step 6: Final answer
    x = 15,478.40

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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.