Home / 46,219.20-69,328.80-40,862.40

Finding the Fourth Proportional to 46,219.20, 69,328.80 and 40,862.40

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Solution

The fourth proportional to 46,219.20, 69,328.80 and 40,862.40 is: 61,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,219.20 : 69,328.80 = 40,862.40 : x
  2. Step 2: Convert to fraction form
    46,219.20/69,328.80 = 40,862.40/x
  3. Step 3: Cross multiply
    46,219.20x = 69,328.80 × 40,862.40
  4. Step 4: Simplify right side
    46,219.20x = 2,832,941,157.12
  5. Step 5: Solve for x
    x = 2,832,941,157.12/46,219.20
  6. Step 6: Final answer
    x = 61,293.60

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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.