Home / 39,738.60-59,615.10-19,967.40

Finding the Fourth Proportional to 39,738.60, 59,615.10 and 19,967.40

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Solution

The fourth proportional to 39,738.60, 59,615.10 and 19,967.40 is: 29,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,738.60 : 59,615.10 = 19,967.40 : x
  2. Step 2: Convert to fraction form
    39,738.60/59,615.10 = 19,967.40/x
  3. Step 3: Cross multiply
    39,738.60x = 59,615.10 × 19,967.40
  4. Step 4: Simplify right side
    39,738.60x = 1,190,358,547.74
  5. Step 5: Solve for x
    x = 1,190,358,547.74/39,738.60
  6. Step 6: Final answer
    x = 29,954.72

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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.