Home / 56,426.58-77,904.09-36,318.40

Finding the Fourth Proportional to 56,426.58, 77,904.09 and 36,318.40

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Solution

The fourth proportional to 56,426.58, 77,904.09 and 36,318.40 is: 50,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,426.58 : 77,904.09 = 36,318.40 : x
  2. Step 2: Convert to fraction form
    56,426.58/77,904.09 = 36,318.40/x
  3. Step 3: Cross multiply
    56,426.58x = 77,904.09 × 36,318.40
  4. Step 4: Simplify right side
    56,426.58x = 2,829,351,902.26
  5. Step 5: Solve for x
    x = 2,829,351,902.26/56,426.58
  6. Step 6: Final answer
    x = 50,142.18

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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.