Home / 52,263.99-72,124.43-28,390.14

Finding the Fourth Proportional to 52,263.99, 72,124.43 and 28,390.14

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Solution

The fourth proportional to 52,263.99, 72,124.43 and 28,390.14 is: 39,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,263.99 : 72,124.43 = 28,390.14 : x
  2. Step 2: Convert to fraction form
    52,263.99/72,124.43 = 28,390.14/x
  3. Step 3: Cross multiply
    52,263.99x = 72,124.43 × 28,390.14
  4. Step 4: Simplify right side
    52,263.99x = 2,047,622,523.17
  5. Step 5: Solve for x
    x = 2,047,622,523.17/52,263.99
  6. Step 6: Final answer
    x = 39,178.46

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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.