Home / 40,079,829-55,276,048.80-27,885,816.84

Finding the Fourth Proportional to 40,079,829, 55,276,048.80 and 27,885,816.84

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Solution

The fourth proportional to 40,079,829, 55,276,048.80 and 27,885,816.84 is: 38,458,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079,829 : 55,276,048.80 = 27,885,816.84 : x
  2. Step 2: Convert to fraction form
    40,079,829/55,276,048.80 = 27,885,816.84/x
  3. Step 3: Cross multiply
    40,079,829x = 55,276,048.80 × 27,885,816.84
  4. Step 4: Simplify right side
    40,079,829x = 1,541,417,772,475,701.75
  5. Step 5: Solve for x
    x = 1,541,417,772,475,701.75/40,079,829
  6. Step 6: Final answer
    x = 38,458,691.34

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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.