Home / 56,150.08-77,485.08-30,999.04

Finding the Fourth Proportional to 56,150.08, 77,485.08 and 30,999.04

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Solution

The fourth proportional to 56,150.08, 77,485.08 and 30,999.04 is: 42,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,150.08 : 77,485.08 = 30,999.04 : x
  2. Step 2: Convert to fraction form
    56,150.08/77,485.08 = 30,999.04/x
  3. Step 3: Cross multiply
    56,150.08x = 77,485.08 × 30,999.04
  4. Step 4: Simplify right side
    56,150.08x = 2,401,963,094.32
  5. Step 5: Solve for x
    x = 2,401,963,094.32/56,150.08
  6. Step 6: Final answer
    x = 42,777.55

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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.