Home / 34,987.90-48,271.80-20,838.82

Finding the Fourth Proportional to 34,987.90, 48,271.80 and 20,838.82

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Solution

The fourth proportional to 34,987.90, 48,271.80 and 20,838.82 is: 28,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,987.90 : 48,271.80 = 20,838.82 : x
  2. Step 2: Convert to fraction form
    34,987.90/48,271.80 = 20,838.82/x
  3. Step 3: Cross multiply
    34,987.90x = 48,271.80 × 20,838.82
  4. Step 4: Simplify right side
    34,987.90x = 1,005,927,351.28
  5. Step 5: Solve for x
    x = 1,005,927,351.28/34,987.90
  6. Step 6: Final answer
    x = 28,750.72

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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.