Home / 52,430.90-72,353.25-28,556.15

Finding the Fourth Proportional to 52,430.90, 72,353.25 and 28,556.15

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Solution

The fourth proportional to 52,430.90, 72,353.25 and 28,556.15 is: 39,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.90 : 72,353.25 = 28,556.15 : x
  2. Step 2: Convert to fraction form
    52,430.90/72,353.25 = 28,556.15/x
  3. Step 3: Cross multiply
    52,430.90x = 72,353.25 × 28,556.15
  4. Step 4: Simplify right side
    52,430.90x = 2,066,129,898.22
  5. Step 5: Solve for x
    x = 2,066,129,898.22/52,430.90
  6. Step 6: Final answer
    x = 39,406.73

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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.