Home / 30,837.17-42,555.33-16,690.02

Finding the Fourth Proportional to 30,837.17, 42,555.33 and 16,690.02

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Solution

The fourth proportional to 30,837.17, 42,555.33 and 16,690.02 is: 23,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.17 : 42,555.33 = 16,690.02 : x
  2. Step 2: Convert to fraction form
    30,837.17/42,555.33 = 16,690.02/x
  3. Step 3: Cross multiply
    30,837.17x = 42,555.33 × 16,690.02
  4. Step 4: Simplify right side
    30,837.17x = 710,249,308.81
  5. Step 5: Solve for x
    x = 710,249,308.81/30,837.17
  6. Step 6: Final answer
    x = 23,032.25

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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.