Home / 51,875.96-77,823.06-21,480.76

Finding the Fourth Proportional to 51,875.96, 77,823.06 and 21,480.76

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Solution

The fourth proportional to 51,875.96, 77,823.06 and 21,480.76 is: 32,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,875.96 : 77,823.06 = 21,480.76 : x
  2. Step 2: Convert to fraction form
    51,875.96/77,823.06 = 21,480.76/x
  3. Step 3: Cross multiply
    51,875.96x = 77,823.06 × 21,480.76
  4. Step 4: Simplify right side
    51,875.96x = 1,671,698,474.33
  5. Step 5: Solve for x
    x = 1,671,698,474.33/51,875.96
  6. Step 6: Final answer
    x = 32,224.92

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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.