Home / 30,208.16-41,688.65-16,779.47

Finding the Fourth Proportional to 30,208.16, 41,688.65 and 16,779.47

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Solution

The fourth proportional to 30,208.16, 41,688.65 and 16,779.47 is: 23,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.16 : 41,688.65 = 16,779.47 : x
  2. Step 2: Convert to fraction form
    30,208.16/41,688.65 = 16,779.47/x
  3. Step 3: Cross multiply
    30,208.16x = 41,688.65 × 16,779.47
  4. Step 4: Simplify right side
    30,208.16x = 699,513,452.02
  5. Step 5: Solve for x
    x = 699,513,452.02/30,208.16
  6. Step 6: Final answer
    x = 23,156.44

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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.