Home / 40,878.36-61,265.70-40,437.72

Finding the Fourth Proportional to 40,878.36, 61,265.70 and 40,437.72

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Solution

The fourth proportional to 40,878.36, 61,265.70 and 40,437.72 is: 60,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.36 : 61,265.70 = 40,437.72 : x
  2. Step 2: Convert to fraction form
    40,878.36/61,265.70 = 40,437.72/x
  3. Step 3: Cross multiply
    40,878.36x = 61,265.70 × 40,437.72
  4. Step 4: Simplify right side
    40,878.36x = 2,477,445,222.20
  5. Step 5: Solve for x
    x = 2,477,445,222.20/40,878.36
  6. Step 6: Final answer
    x = 60,605.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.