Home / 74,574.06-102,914.10-40,584.40

Finding the Fourth Proportional to 74,574.06, 102,914.10 and 40,584.40

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Solution

The fourth proportional to 74,574.06, 102,914.10 and 40,584.40 is: 56,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,574.06 : 102,914.10 = 40,584.40 : x
  2. Step 2: Convert to fraction form
    74,574.06/102,914.10 = 40,584.40/x
  3. Step 3: Cross multiply
    74,574.06x = 102,914.10 × 40,584.40
  4. Step 4: Simplify right side
    74,574.06x = 4,176,707,000.04
  5. Step 5: Solve for x
    x = 4,176,707,000.04/74,574.06
  6. Step 6: Final answer
    x = 56,007.50

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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.