Home / 52,430.40-72,354.06-28,556.55

Finding the Fourth Proportional to 52,430.40, 72,354.06 and 28,556.55

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Solution

The fourth proportional to 52,430.40, 72,354.06 and 28,556.55 is: 39,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.40 : 72,354.06 = 28,556.55 : x
  2. Step 2: Convert to fraction form
    52,430.40/72,354.06 = 28,556.55/x
  3. Step 3: Cross multiply
    52,430.40x = 72,354.06 × 28,556.55
  4. Step 4: Simplify right side
    52,430.40x = 2,066,182,332.09
  5. Step 5: Solve for x
    x = 2,066,182,332.09/52,430.40
  6. Step 6: Final answer
    x = 39,408.10

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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.