Home / 30,785.04-42,483.36-16,637.88

Finding the Fourth Proportional to 30,785.04, 42,483.36 and 16,637.88

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Solution

The fourth proportional to 30,785.04, 42,483.36 and 16,637.88 is: 22,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,785.04 : 42,483.36 = 16,637.88 : x
  2. Step 2: Convert to fraction form
    30,785.04/42,483.36 = 16,637.88/x
  3. Step 3: Cross multiply
    30,785.04x = 42,483.36 × 16,637.88
  4. Step 4: Simplify right side
    30,785.04x = 706,833,045.68
  5. Step 5: Solve for x
    x = 706,833,045.68/30,785.04
  6. Step 6: Final answer
    x = 22,960.28

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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.