Home / 52,430.16-72,353.24-28,556.76

Finding the Fourth Proportional to 52,430.16, 72,353.24 and 28,556.76

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Solution

The fourth proportional to 52,430.16, 72,353.24 and 28,556.76 is: 39,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.16 : 72,353.24 = 28,556.76 : x
  2. Step 2: Convert to fraction form
    52,430.16/72,353.24 = 28,556.76/x
  3. Step 3: Cross multiply
    52,430.16x = 72,353.24 × 28,556.76
  4. Step 4: Simplify right side
    52,430.16x = 2,066,174,109.90
  5. Step 5: Solve for x
    x = 2,066,174,109.90/52,430.16
  6. Step 6: Final answer
    x = 39,408.12

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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.