Home / 51,875.52-77,823.12-20,284.14

Finding the Fourth Proportional to 51,875.52, 77,823.12 and 20,284.14

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Solution

The fourth proportional to 51,875.52, 77,823.12 and 20,284.14 is: 30,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,875.52 : 77,823.12 = 20,284.14 : x
  2. Step 2: Convert to fraction form
    51,875.52/77,823.12 = 20,284.14/x
  3. Step 3: Cross multiply
    51,875.52x = 77,823.12 × 20,284.14
  4. Step 4: Simplify right side
    51,875.52x = 1,578,575,061.32
  5. Step 5: Solve for x
    x = 1,578,575,061.32/51,875.52
  6. Step 6: Final answer
    x = 30,430.06

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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.