Home / 60,865.28-91,312.48-19,312.24

Finding the Fourth Proportional to 60,865.28, 91,312.48 and 19,312.24

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Solution

The fourth proportional to 60,865.28, 91,312.48 and 19,312.24 is: 28,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,865.28 : 91,312.48 = 19,312.24 : x
  2. Step 2: Convert to fraction form
    60,865.28/91,312.48 = 19,312.24/x
  3. Step 3: Cross multiply
    60,865.28x = 91,312.48 × 19,312.24
  4. Step 4: Simplify right side
    60,865.28x = 1,763,448,528.76
  5. Step 5: Solve for x
    x = 1,763,448,528.76/60,865.28
  6. Step 6: Final answer
    x = 28,972.98

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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.