Home / 70,607.42-97,438.13-38,776.32

Finding the Fourth Proportional to 70,607.42, 97,438.13 and 38,776.32

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Solution

The fourth proportional to 70,607.42, 97,438.13 and 38,776.32 is: 53,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,607.42 : 97,438.13 = 38,776.32 : x
  2. Step 2: Convert to fraction form
    70,607.42/97,438.13 = 38,776.32/x
  3. Step 3: Cross multiply
    70,607.42x = 97,438.13 × 38,776.32
  4. Step 4: Simplify right side
    70,607.42x = 3,778,292,282.92
  5. Step 5: Solve for x
    x = 3,778,292,282.92/70,607.42
  6. Step 6: Final answer
    x = 53,511.26

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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.