Home / 70,637.28-97,479.49-38,808.23

Finding the Fourth Proportional to 70,637.28, 97,479.49 and 38,808.23

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Solution

The fourth proportional to 70,637.28, 97,479.49 and 38,808.23 is: 53,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.28 : 97,479.49 = 38,808.23 : x
  2. Step 2: Convert to fraction form
    70,637.28/97,479.49 = 38,808.23/x
  3. Step 3: Cross multiply
    70,637.28x = 97,479.49 × 38,808.23
  4. Step 4: Simplify right side
    70,637.28x = 3,783,006,468.20
  5. Step 5: Solve for x
    x = 3,783,006,468.20/70,637.28
  6. Step 6: Final answer
    x = 53,555.38

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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.