Home / 51,588.11-77,365.95-19,995.95

Finding the Fourth Proportional to 51,588.11, 77,365.95 and 19,995.95

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Solution

The fourth proportional to 51,588.11, 77,365.95 and 19,995.95 is: 29,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.11 : 77,365.95 = 19,995.95 : x
  2. Step 2: Convert to fraction form
    51,588.11/77,365.95 = 19,995.95/x
  3. Step 3: Cross multiply
    51,588.11x = 77,365.95 × 19,995.95
  4. Step 4: Simplify right side
    51,588.11x = 1,547,005,281.07
  5. Step 5: Solve for x
    x = 1,547,005,281.07/51,588.11
  6. Step 6: Final answer
    x = 29,987.64

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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.