Home / 51,347.04-77,020.32-13,907.04

Finding the Fourth Proportional to 51,347.04, 77,020.32 and 13,907.04

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Solution

The fourth proportional to 51,347.04, 77,020.32 and 13,907.04 is: 20,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,347.04 : 77,020.32 = 13,907.04 : x
  2. Step 2: Convert to fraction form
    51,347.04/77,020.32 = 13,907.04/x
  3. Step 3: Cross multiply
    51,347.04x = 77,020.32 × 13,907.04
  4. Step 4: Simplify right side
    51,347.04x = 1,071,124,671.05
  5. Step 5: Solve for x
    x = 1,071,124,671.05/51,347.04
  6. Step 6: Final answer
    x = 20,860.49

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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.