Home / 61,280.32-91,928.40-21,848.80

Finding the Fourth Proportional to 61,280.32, 91,928.40 and 21,848.80

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Solution

The fourth proportional to 61,280.32, 91,928.40 and 21,848.80 is: 32,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,280.32 : 91,928.40 = 21,848.80 : x
  2. Step 2: Convert to fraction form
    61,280.32/91,928.40 = 21,848.80/x
  3. Step 3: Cross multiply
    61,280.32x = 91,928.40 × 21,848.80
  4. Step 4: Simplify right side
    61,280.32x = 2,008,525,225.92
  5. Step 5: Solve for x
    x = 2,008,525,225.92/61,280.32
  6. Step 6: Final answer
    x = 32,776.02

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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.