Home / 35,306.47-48,701.53-20,956.85

Finding the Fourth Proportional to 35,306.47, 48,701.53 and 20,956.85

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Solution

The fourth proportional to 35,306.47, 48,701.53 and 20,956.85 is: 28,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,306.47 : 48,701.53 = 20,956.85 : x
  2. Step 2: Convert to fraction form
    35,306.47/48,701.53 = 20,956.85/x
  3. Step 3: Cross multiply
    35,306.47x = 48,701.53 × 20,956.85
  4. Step 4: Simplify right side
    35,306.47x = 1,020,630,415.47
  5. Step 5: Solve for x
    x = 1,020,630,415.47/35,306.47
  6. Step 6: Final answer
    x = 28,907.74

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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.