Home / 40,855.86-61,276.47-10,870.26

Finding the Fourth Proportional to 40,855.86, 61,276.47 and 10,870.26

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Solution

The fourth proportional to 40,855.86, 61,276.47 and 10,870.26 is: 16,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.86 : 61,276.47 = 10,870.26 : x
  2. Step 2: Convert to fraction form
    40,855.86/61,276.47 = 10,870.26/x
  3. Step 3: Cross multiply
    40,855.86x = 61,276.47 × 10,870.26
  4. Step 4: Simplify right side
    40,855.86x = 666,091,160.78
  5. Step 5: Solve for x
    x = 666,091,160.78/40,855.86
  6. Step 6: Final answer
    x = 16,303.44

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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.