Home / 52,405.50-72,320.87-28,533.47

Finding the Fourth Proportional to 52,405.50, 72,320.87 and 28,533.47

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Solution

The fourth proportional to 52,405.50, 72,320.87 and 28,533.47 is: 39,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,405.50 : 72,320.87 = 28,533.47 : x
  2. Step 2: Convert to fraction form
    52,405.50/72,320.87 = 28,533.47/x
  3. Step 3: Cross multiply
    52,405.50x = 72,320.87 × 28,533.47
  4. Step 4: Simplify right side
    52,405.50x = 2,063,565,626.65
  5. Step 5: Solve for x
    x = 2,063,565,626.65/52,405.50
  6. Step 6: Final answer
    x = 39,376.89

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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.