Home / 52,030.50-71,802.30-28,157.17

Finding the Fourth Proportional to 52,030.50, 71,802.30 and 28,157.17

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Solution

The fourth proportional to 52,030.50, 71,802.30 and 28,157.17 is: 38,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,030.50 : 71,802.30 = 28,157.17 : x
  2. Step 2: Convert to fraction form
    52,030.50/71,802.30 = 28,157.17/x
  3. Step 3: Cross multiply
    52,030.50x = 71,802.30 × 28,157.17
  4. Step 4: Simplify right side
    52,030.50x = 2,021,749,469.82
  5. Step 5: Solve for x
    x = 2,021,749,469.82/52,030.50
  6. Step 6: Final answer
    x = 38,857.00

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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.