Home / 52,256.28-78,330.72-20,653.50

Finding the Fourth Proportional to 52,256.28, 78,330.72 and 20,653.50

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Solution

The fourth proportional to 52,256.28, 78,330.72 and 20,653.50 is: 30,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,256.28 : 78,330.72 = 20,653.50 : x
  2. Step 2: Convert to fraction form
    52,256.28/78,330.72 = 20,653.50/x
  3. Step 3: Cross multiply
    52,256.28x = 78,330.72 × 20,653.50
  4. Step 4: Simplify right side
    52,256.28x = 1,617,803,525.52
  5. Step 5: Solve for x
    x = 1,617,803,525.52/52,256.28
  6. Step 6: Final answer
    x = 30,959.03

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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.