Home / 35,030.72-48,342.48-20,126.72

Finding the Fourth Proportional to 35,030.72, 48,342.48 and 20,126.72

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Solution

The fourth proportional to 35,030.72, 48,342.48 and 20,126.72 is: 27,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,030.72 : 48,342.48 = 20,126.72 : x
  2. Step 2: Convert to fraction form
    35,030.72/48,342.48 = 20,126.72/x
  3. Step 3: Cross multiply
    35,030.72x = 48,342.48 × 20,126.72
  4. Step 4: Simplify right side
    35,030.72x = 972,975,559.07
  5. Step 5: Solve for x
    x = 972,975,559.07/35,030.72
  6. Step 6: Final answer
    x = 27,774.92

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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.