Home / 56,423.04-77,823.36-37,280.64

Finding the Fourth Proportional to 56,423.04, 77,823.36 and 37,280.64

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Solution

The fourth proportional to 56,423.04, 77,823.36 and 37,280.64 is: 51,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.04 : 77,823.36 = 37,280.64 : x
  2. Step 2: Convert to fraction form
    56,423.04/77,823.36 = 37,280.64/x
  3. Step 3: Cross multiply
    56,423.04x = 77,823.36 × 37,280.64
  4. Step 4: Simplify right side
    56,423.04x = 2,901,304,667.75
  5. Step 5: Solve for x
    x = 2,901,304,667.75/56,423.04
  6. Step 6: Final answer
    x = 51,420.57

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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.