Home / 30,645.65-42,276.53-26,216.98

Finding the Fourth Proportional to 30,645.65, 42,276.53 and 26,216.98

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Solution

The fourth proportional to 30,645.65, 42,276.53 and 26,216.98 is: 36,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645.65 : 42,276.53 = 26,216.98 : x
  2. Step 2: Convert to fraction form
    30,645.65/42,276.53 = 26,216.98/x
  3. Step 3: Cross multiply
    30,645.65x = 42,276.53 × 26,216.98
  4. Step 4: Simplify right side
    30,645.65x = 1,108,362,901.33
  5. Step 5: Solve for x
    x = 1,108,362,901.33/30,645.65
  6. Step 6: Final answer
    x = 36,167.05

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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.