Home / 56,415.12-84,605.64-35,387.28

Finding the Fourth Proportional to 56,415.12, 84,605.64 and 35,387.28

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Solution

The fourth proportional to 56,415.12, 84,605.64 and 35,387.28 is: 53,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,415.12 : 84,605.64 = 35,387.28 : x
  2. Step 2: Convert to fraction form
    56,415.12/84,605.64 = 35,387.28/x
  3. Step 3: Cross multiply
    56,415.12x = 84,605.64 × 35,387.28
  4. Step 4: Simplify right side
    56,415.12x = 2,993,963,472.26
  5. Step 5: Solve for x
    x = 2,993,963,472.26/56,415.12
  6. Step 6: Final answer
    x = 53,070.23

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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.