Home / 52,186.65-72,017.28-28,312.82

Finding the Fourth Proportional to 52,186.65, 72,017.28 and 28,312.82

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Solution

The fourth proportional to 52,186.65, 72,017.28 and 28,312.82 is: 39,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186.65 : 72,017.28 = 28,312.82 : x
  2. Step 2: Convert to fraction form
    52,186.65/72,017.28 = 28,312.82/x
  3. Step 3: Cross multiply
    52,186.65x = 72,017.28 × 28,312.82
  4. Step 4: Simplify right side
    52,186.65x = 2,039,011,925.44
  5. Step 5: Solve for x
    x = 2,039,011,925.44/52,186.65
  6. Step 6: Final answer
    x = 39,071.52

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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.