Home / 51,920.16-77,871.72-14,482.77

Finding the Fourth Proportional to 51,920.16, 77,871.72 and 14,482.77

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Solution

The fourth proportional to 51,920.16, 77,871.72 and 14,482.77 is: 21,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920.16 : 77,871.72 = 14,482.77 : x
  2. Step 2: Convert to fraction form
    51,920.16/77,871.72 = 14,482.77/x
  3. Step 3: Cross multiply
    51,920.16x = 77,871.72 × 14,482.77
  4. Step 4: Simplify right side
    51,920.16x = 1,127,798,210.26
  5. Step 5: Solve for x
    x = 1,127,798,210.26/51,920.16
  6. Step 6: Final answer
    x = 21,721.78

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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.