Home / 46,420.64-69,759.48-45,295.28

Finding the Fourth Proportional to 46,420.64, 69,759.48 and 45,295.28

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Solution

The fourth proportional to 46,420.64, 69,759.48 and 45,295.28 is: 68,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,420.64 : 69,759.48 = 45,295.28 : x
  2. Step 2: Convert to fraction form
    46,420.64/69,759.48 = 45,295.28/x
  3. Step 3: Cross multiply
    46,420.64x = 69,759.48 × 45,295.28
  4. Step 4: Simplify right side
    46,420.64x = 3,159,775,179.25
  5. Step 5: Solve for x
    x = 3,159,775,179.25/46,420.64
  6. Step 6: Final answer
    x = 68,068.32

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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.