Home / 55,916.55-77,164.25-30,423.69

Finding the Fourth Proportional to 55,916.55, 77,164.25 and 30,423.69

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Solution

The fourth proportional to 55,916.55, 77,164.25 and 30,423.69 is: 41,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916.55 : 77,164.25 = 30,423.69 : x
  2. Step 2: Convert to fraction form
    55,916.55/77,164.25 = 30,423.69/x
  3. Step 3: Cross multiply
    55,916.55x = 77,164.25 × 30,423.69
  4. Step 4: Simplify right side
    55,916.55x = 2,347,621,068.96
  5. Step 5: Solve for x
    x = 2,347,621,068.96/55,916.55
  6. Step 6: Final answer
    x = 41,984.37

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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.