Home / 70,831.30-97,746.97-39,000.20

Finding the Fourth Proportional to 70,831.30, 97,746.97 and 39,000.20

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Solution

The fourth proportional to 70,831.30, 97,746.97 and 39,000.20 is: 53,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,831.30 : 97,746.97 = 39,000.20 : x
  2. Step 2: Convert to fraction form
    70,831.30/97,746.97 = 39,000.20/x
  3. Step 3: Cross multiply
    70,831.30x = 97,746.97 × 39,000.20
  4. Step 4: Simplify right side
    70,831.30x = 3,812,151,184.39
  5. Step 5: Solve for x
    x = 3,812,151,184.39/70,831.30
  6. Step 6: Final answer
    x = 53,820.15

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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.