Home / 40,631.68-56,070.48-22,728.16

Finding the Fourth Proportional to 40,631.68, 56,070.48 and 22,728.16

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Solution

The fourth proportional to 40,631.68, 56,070.48 and 22,728.16 is: 31,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,631.68 : 56,070.48 = 22,728.16 : x
  2. Step 2: Convert to fraction form
    40,631.68/56,070.48 = 22,728.16/x
  3. Step 3: Cross multiply
    40,631.68x = 56,070.48 × 22,728.16
  4. Step 4: Simplify right side
    40,631.68x = 1,274,378,840.72
  5. Step 5: Solve for x
    x = 1,274,378,840.72/40,631.68
  6. Step 6: Final answer
    x = 31,364.17

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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.