Home / 40,123.45-55,360.86-23,762.40

Finding the Fourth Proportional to 40,123.45, 55,360.86 and 23,762.40

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Solution

The fourth proportional to 40,123.45, 55,360.86 and 23,762.40 is: 32,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.45 : 55,360.86 = 23,762.40 : x
  2. Step 2: Convert to fraction form
    40,123.45/55,360.86 = 23,762.40/x
  3. Step 3: Cross multiply
    40,123.45x = 55,360.86 × 23,762.40
  4. Step 4: Simplify right side
    40,123.45x = 1,315,506,602.95
  5. Step 5: Solve for x
    x = 1,315,506,602.95/40,123.45
  6. Step 6: Final answer
    x = 32,786.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.