Home / 40,130.16-55,373.70-23,133.08

Finding the Fourth Proportional to 40,130.16, 55,373.70 and 23,133.08

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Solution

The fourth proportional to 40,130.16, 55,373.70 and 23,133.08 is: 31,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,130.16 : 55,373.70 = 23,133.08 : x
  2. Step 2: Convert to fraction form
    40,130.16/55,373.70 = 23,133.08/x
  3. Step 3: Cross multiply
    40,130.16x = 55,373.70 × 23,133.08
  4. Step 4: Simplify right side
    40,130.16x = 1,280,964,232.00
  5. Step 5: Solve for x
    x = 1,280,964,232.00/40,130.16
  6. Step 6: Final answer
    x = 31,920.24

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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.