Home / 52,710.35-72,742-30,048.92

Finding the Fourth Proportional to 52,710.35, 72,742 and 30,048.92

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Solution

The fourth proportional to 52,710.35, 72,742 and 30,048.92 is: 41,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.35 : 72,742 = 30,048.92 : x
  2. Step 2: Convert to fraction form
    52,710.35/72,742 = 30,048.92/x
  3. Step 3: Cross multiply
    52,710.35x = 72,742 × 30,048.92
  4. Step 4: Simplify right side
    52,710.35x = 2,185,818,538.64
  5. Step 5: Solve for x
    x = 2,185,818,538.64/52,710.35
  6. Step 6: Final answer
    x = 41,468.49

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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.