Home / 52,030.80-71,802.69-28,157.47

Finding the Fourth Proportional to 52,030.80, 71,802.69 and 28,157.47

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Solution

The fourth proportional to 52,030.80, 71,802.69 and 28,157.47 is: 38,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,030.80 : 71,802.69 = 28,157.47 : x
  2. Step 2: Convert to fraction form
    52,030.80/71,802.69 = 28,157.47/x
  3. Step 3: Cross multiply
    52,030.80x = 71,802.69 × 28,157.47
  4. Step 4: Simplify right side
    52,030.80x = 2,021,782,089.59
  5. Step 5: Solve for x
    x = 2,021,782,089.59/52,030.80
  6. Step 6: Final answer
    x = 38,857.41

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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.