Home / 30,877.95-46,315.10-19,034.00

Finding the Fourth Proportional to 30,877.95, 46,315.10 and 19,034.00

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Solution

The fourth proportional to 30,877.95, 46,315.10 and 19,034.00 is: 28,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.95 : 46,315.10 = 19,034.00 : x
  2. Step 2: Convert to fraction form
    30,877.95/46,315.10 = 19,034.00/x
  3. Step 3: Cross multiply
    30,877.95x = 46,315.10 × 19,034.00
  4. Step 4: Simplify right side
    30,877.95x = 881,561,429.41
  5. Step 5: Solve for x
    x = 881,561,429.41/30,877.95
  6. Step 6: Final answer
    x = 28,549.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.