Home / 52,870.30-72,962.58-28,998.64

Finding the Fourth Proportional to 52,870.30, 72,962.58 and 28,998.64

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Solution

The fourth proportional to 52,870.30, 72,962.58 and 28,998.64 is: 40,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,870.30 : 72,962.58 = 28,998.64 : x
  2. Step 2: Convert to fraction form
    52,870.30/72,962.58 = 28,998.64/x
  3. Step 3: Cross multiply
    52,870.30x = 72,962.58 × 28,998.64
  4. Step 4: Simplify right side
    52,870.30x = 2,115,815,590.89
  5. Step 5: Solve for x
    x = 2,115,815,590.89/52,870.30
  6. Step 6: Final answer
    x = 40,018.98

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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.