Home / 56,479.24-77,941.95-30,985.66

Finding the Fourth Proportional to 56,479.24, 77,941.95 and 30,985.66

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Solution

The fourth proportional to 56,479.24, 77,941.95 and 30,985.66 is: 42,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479.24 : 77,941.95 = 30,985.66 : x
  2. Step 2: Convert to fraction form
    56,479.24/77,941.95 = 30,985.66/x
  3. Step 3: Cross multiply
    56,479.24x = 77,941.95 × 30,985.66
  4. Step 4: Simplify right side
    56,479.24x = 2,415,082,762.44
  5. Step 5: Solve for x
    x = 2,415,082,762.44/56,479.24
  6. Step 6: Final answer
    x = 42,760.54

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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.