Home / 30,924.47-42,675.85-16,777.32

Finding the Fourth Proportional to 30,924.47, 42,675.85 and 16,777.32

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Solution

The fourth proportional to 30,924.47, 42,675.85 and 16,777.32 is: 23,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.47 : 42,675.85 = 16,777.32 : x
  2. Step 2: Convert to fraction form
    30,924.47/42,675.85 = 16,777.32/x
  3. Step 3: Cross multiply
    30,924.47x = 42,675.85 × 16,777.32
  4. Step 4: Simplify right side
    30,924.47x = 715,986,178.34
  5. Step 5: Solve for x
    x = 715,986,178.34/30,924.47
  6. Step 6: Final answer
    x = 23,152.74

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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.