Home / 49,924.50-74,886.75-12,988.50

Finding the Fourth Proportional to 49,924.50, 74,886.75 and 12,988.50

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Solution

The fourth proportional to 49,924.50, 74,886.75 and 12,988.50 is: 19,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,924.50 : 74,886.75 = 12,988.50 : x
  2. Step 2: Convert to fraction form
    49,924.50/74,886.75 = 12,988.50/x
  3. Step 3: Cross multiply
    49,924.50x = 74,886.75 × 12,988.50
  4. Step 4: Simplify right side
    49,924.50x = 972,666,552.38
  5. Step 5: Solve for x
    x = 972,666,552.38/49,924.50
  6. Step 6: Final answer
    x = 19,482.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.