Home / 40,972.80-61,386.30-34,703.40

Finding the Fourth Proportional to 40,972.80, 61,386.30 and 34,703.40

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Solution

The fourth proportional to 40,972.80, 61,386.30 and 34,703.40 is: 51,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,972.80 : 61,386.30 = 34,703.40 : x
  2. Step 2: Convert to fraction form
    40,972.80/61,386.30 = 34,703.40/x
  3. Step 3: Cross multiply
    40,972.80x = 61,386.30 × 34,703.40
  4. Step 4: Simplify right side
    40,972.80x = 2,130,313,323.42
  5. Step 5: Solve for x
    x = 2,130,313,323.42/40,972.80
  6. Step 6: Final answer
    x = 51,993.35

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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.