Home / 30,859.23-42,585.74-16,712.07

Finding the Fourth Proportional to 30,859.23, 42,585.74 and 16,712.07

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Solution

The fourth proportional to 30,859.23, 42,585.74 and 16,712.07 is: 23,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.23 : 42,585.74 = 16,712.07 : x
  2. Step 2: Convert to fraction form
    30,859.23/42,585.74 = 16,712.07/x
  3. Step 3: Cross multiply
    30,859.23x = 42,585.74 × 16,712.07
  4. Step 4: Simplify right side
    30,859.23x = 711,695,784.32
  5. Step 5: Solve for x
    x = 711,695,784.32/30,859.23
  6. Step 6: Final answer
    x = 23,062.66

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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.