Home / 70,587.68-97,406.18-38,758.64

Finding the Fourth Proportional to 70,587.68, 97,406.18 and 38,758.64

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Solution

The fourth proportional to 70,587.68, 97,406.18 and 38,758.64 is: 53,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.68 : 97,406.18 = 38,758.64 : x
  2. Step 2: Convert to fraction form
    70,587.68/97,406.18 = 38,758.64/x
  3. Step 3: Cross multiply
    70,587.68x = 97,406.18 × 38,758.64
  4. Step 4: Simplify right side
    70,587.68x = 3,775,331,064.40
  5. Step 5: Solve for x
    x = 3,775,331,064.40/70,587.68
  6. Step 6: Final answer
    x = 53,484.28

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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.