Home / 52,111-71,913.18-28,237.48

Finding the Fourth Proportional to 52,111, 71,913.18 and 28,237.48

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Solution

The fourth proportional to 52,111, 71,913.18 and 28,237.48 is: 38,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,111 : 71,913.18 = 28,237.48 : x
  2. Step 2: Convert to fraction form
    52,111/71,913.18 = 28,237.48/x
  3. Step 3: Cross multiply
    52,111x = 71,913.18 × 28,237.48
  4. Step 4: Simplify right side
    52,111x = 2,030,646,981.99
  5. Step 5: Solve for x
    x = 2,030,646,981.99/52,111
  6. Step 6: Final answer
    x = 38,967.72

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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.