Home / 70,455.79-97,228.64-38,190.29

Finding the Fourth Proportional to 70,455.79, 97,228.64 and 38,190.29

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Solution

The fourth proportional to 70,455.79, 97,228.64 and 38,190.29 is: 52,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.79 : 97,228.64 = 38,190.29 : x
  2. Step 2: Convert to fraction form
    70,455.79/97,228.64 = 38,190.29/x
  3. Step 3: Cross multiply
    70,455.79x = 97,228.64 × 38,190.29
  4. Step 4: Simplify right side
    70,455.79x = 3,713,189,352.42
  5. Step 5: Solve for x
    x = 3,713,189,352.42/70,455.79
  6. Step 6: Final answer
    x = 52,702.40

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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.