Home / 53,352.55-80,005.25-28,386.68

Finding the Fourth Proportional to 53,352.55, 80,005.25 and 28,386.68

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Solution

The fourth proportional to 53,352.55, 80,005.25 and 28,386.68 is: 42,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,352.55 : 80,005.25 = 28,386.68 : x
  2. Step 2: Convert to fraction form
    53,352.55/80,005.25 = 28,386.68/x
  3. Step 3: Cross multiply
    53,352.55x = 80,005.25 × 28,386.68
  4. Step 4: Simplify right side
    53,352.55x = 2,271,083,101.01
  5. Step 5: Solve for x
    x = 2,271,083,101.01/53,352.55
  6. Step 6: Final answer
    x = 42,567.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.