Home / 51,946.96-71,681.52-30,722.08

Finding the Fourth Proportional to 51,946.96, 71,681.52 and 30,722.08

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Solution

The fourth proportional to 51,946.96, 71,681.52 and 30,722.08 is: 42,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,946.96 : 71,681.52 = 30,722.08 : x
  2. Step 2: Convert to fraction form
    51,946.96/71,681.52 = 30,722.08/x
  3. Step 3: Cross multiply
    51,946.96x = 71,681.52 × 30,722.08
  4. Step 4: Simplify right side
    51,946.96x = 2,202,205,391.96
  5. Step 5: Solve for x
    x = 2,202,205,391.96/51,946.96
  6. Step 6: Final answer
    x = 42,393.34

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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.