Home / 40,807.20-61,210.80-26,810.40

Finding the Fourth Proportional to 40,807.20, 61,210.80 and 26,810.40

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Solution

The fourth proportional to 40,807.20, 61,210.80 and 26,810.40 is: 40,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.20 : 61,210.80 = 26,810.40 : x
  2. Step 2: Convert to fraction form
    40,807.20/61,210.80 = 26,810.40/x
  3. Step 3: Cross multiply
    40,807.20x = 61,210.80 × 26,810.40
  4. Step 4: Simplify right side
    40,807.20x = 1,641,086,032.32
  5. Step 5: Solve for x
    x = 1,641,086,032.32/40,807.20
  6. Step 6: Final answer
    x = 40,215.60

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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.