Home / 55,695.64-76,861.74-30,547.48

Finding the Fourth Proportional to 55,695.64, 76,861.74 and 30,547.48

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Solution

The fourth proportional to 55,695.64, 76,861.74 and 30,547.48 is: 42,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,695.64 : 76,861.74 = 30,547.48 : x
  2. Step 2: Convert to fraction form
    55,695.64/76,861.74 = 30,547.48/x
  3. Step 3: Cross multiply
    55,695.64x = 76,861.74 × 30,547.48
  4. Step 4: Simplify right side
    55,695.64x = 2,347,932,465.42
  5. Step 5: Solve for x
    x = 2,347,932,465.42/55,695.64
  6. Step 6: Final answer
    x = 42,156.49

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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.