Home / 52,430.78-72,352.08-28,556.03

Finding the Fourth Proportional to 52,430.78, 72,352.08 and 28,556.03

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Solution

The fourth proportional to 52,430.78, 72,352.08 and 28,556.03 is: 39,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.78 : 72,352.08 = 28,556.03 : x
  2. Step 2: Convert to fraction form
    52,430.78/72,352.08 = 28,556.03/x
  3. Step 3: Cross multiply
    52,430.78x = 72,352.08 × 28,556.03
  4. Step 4: Simplify right side
    52,430.78x = 2,066,087,805.28
  5. Step 5: Solve for x
    x = 2,066,087,805.28/52,430.78
  6. Step 6: Final answer
    x = 39,406.01

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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.