Home / 52,248.14-72,103.86-30,739.40

Finding the Fourth Proportional to 52,248.14, 72,103.86 and 30,739.40

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Solution

The fourth proportional to 52,248.14, 72,103.86 and 30,739.40 is: 42,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,248.14 : 72,103.86 = 30,739.40 : x
  2. Step 2: Convert to fraction form
    52,248.14/72,103.86 = 30,739.40/x
  3. Step 3: Cross multiply
    52,248.14x = 72,103.86 × 30,739.40
  4. Step 4: Simplify right side
    52,248.14x = 2,216,429,394.08
  5. Step 5: Solve for x
    x = 2,216,429,394.08/52,248.14
  6. Step 6: Final answer
    x = 42,421.21

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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.