Home / 40,878.45-61,252.93-31,541.32

Finding the Fourth Proportional to 40,878.45, 61,252.93 and 31,541.32

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Solution

The fourth proportional to 40,878.45, 61,252.93 and 31,541.32 is: 47,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.45 : 61,252.93 = 31,541.32 : x
  2. Step 2: Convert to fraction form
    40,878.45/61,252.93 = 31,541.32/x
  3. Step 3: Cross multiply
    40,878.45x = 61,252.93 × 31,541.32
  4. Step 4: Simplify right side
    40,878.45x = 1,931,998,643.04
  5. Step 5: Solve for x
    x = 1,931,998,643.04/40,878.45
  6. Step 6: Final answer
    x = 47,262.04

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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.