Home / 52,312.59-72,189.81-28,438.65

Finding the Fourth Proportional to 52,312.59, 72,189.81 and 28,438.65

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Solution

The fourth proportional to 52,312.59, 72,189.81 and 28,438.65 is: 39,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,312.59 : 72,189.81 = 28,438.65 : x
  2. Step 2: Convert to fraction form
    52,312.59/72,189.81 = 28,438.65/x
  3. Step 3: Cross multiply
    52,312.59x = 72,189.81 × 28,438.65
  4. Step 4: Simplify right side
    52,312.59x = 2,052,980,740.16
  5. Step 5: Solve for x
    x = 2,052,980,740.16/52,312.59
  6. Step 6: Final answer
    x = 39,244.49

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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.