Home / 45,455.66-62,728.64-25,312.80

Finding the Fourth Proportional to 45,455.66, 62,728.64 and 25,312.80

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Solution

The fourth proportional to 45,455.66, 62,728.64 and 25,312.80 is: 34,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,455.66 : 62,728.64 = 25,312.80 : x
  2. Step 2: Convert to fraction form
    45,455.66/62,728.64 = 25,312.80/x
  3. Step 3: Cross multiply
    45,455.66x = 62,728.64 × 25,312.80
  4. Step 4: Simplify right side
    45,455.66x = 1,587,837,518.59
  5. Step 5: Solve for x
    x = 1,587,837,518.59/45,455.66
  6. Step 6: Final answer
    x = 34,931.57

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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.