Home / 30,834.04-42,551.02-16,686.89

Finding the Fourth Proportional to 30,834.04, 42,551.02 and 16,686.89

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Solution

The fourth proportional to 30,834.04, 42,551.02 and 16,686.89 is: 23,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,834.04 : 42,551.02 = 16,686.89 : x
  2. Step 2: Convert to fraction form
    30,834.04/42,551.02 = 16,686.89/x
  3. Step 3: Cross multiply
    30,834.04x = 42,551.02 × 16,686.89
  4. Step 4: Simplify right side
    30,834.04x = 710,044,190.13
  5. Step 5: Solve for x
    x = 710,044,190.13/30,834.04
  6. Step 6: Final answer
    x = 23,027.94

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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.