Home / 60,434.15-83,372.30-40,271.40

Finding the Fourth Proportional to 60,434.15, 83,372.30 and 40,271.40

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Solution

The fourth proportional to 60,434.15, 83,372.30 and 40,271.40 is: 55,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,434.15 : 83,372.30 = 40,271.40 : x
  2. Step 2: Convert to fraction form
    60,434.15/83,372.30 = 40,271.40/x
  3. Step 3: Cross multiply
    60,434.15x = 83,372.30 × 40,271.40
  4. Step 4: Simplify right side
    60,434.15x = 3,357,519,040.86
  5. Step 5: Solve for x
    x = 3,357,519,040.86/60,434.15
  6. Step 6: Final answer
    x = 55,556.66

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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.