Home / 70,637.06-97,484.61-40,431.86

Finding the Fourth Proportional to 70,637.06, 97,484.61 and 40,431.86

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Solution

The fourth proportional to 70,637.06, 97,484.61 and 40,431.86 is: 55,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.06 : 97,484.61 = 40,431.86 : x
  2. Step 2: Convert to fraction form
    70,637.06/97,484.61 = 40,431.86/x
  3. Step 3: Cross multiply
    70,637.06x = 97,484.61 × 40,431.86
  4. Step 4: Simplify right side
    70,637.06x = 3,941,484,103.67
  5. Step 5: Solve for x
    x = 3,941,484,103.67/70,637.06
  6. Step 6: Final answer
    x = 55,799.10

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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.