Home / 30,885.31-42,628.04-17,457.13

Finding the Fourth Proportional to 30,885.31, 42,628.04 and 17,457.13

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Solution

The fourth proportional to 30,885.31, 42,628.04 and 17,457.13 is: 24,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.31 : 42,628.04 = 17,457.13 : x
  2. Step 2: Convert to fraction form
    30,885.31/42,628.04 = 17,457.13/x
  3. Step 3: Cross multiply
    30,885.31x = 42,628.04 × 17,457.13
  4. Step 4: Simplify right side
    30,885.31x = 744,163,235.93
  5. Step 5: Solve for x
    x = 744,163,235.93/30,885.31
  6. Step 6: Final answer
    x = 24,094.41

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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.