Home / 42,862.70-64,298.29-14,779.07

Finding the Fourth Proportional to 42,862.70, 64,298.29 and 14,779.07

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Solution

The fourth proportional to 42,862.70, 64,298.29 and 14,779.07 is: 22,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,862.70 : 64,298.29 = 14,779.07 : x
  2. Step 2: Convert to fraction form
    42,862.70/64,298.29 = 14,779.07/x
  3. Step 3: Cross multiply
    42,862.70x = 64,298.29 × 14,779.07
  4. Step 4: Simplify right side
    42,862.70x = 950,268,570.35
  5. Step 5: Solve for x
    x = 950,268,570.35/42,862.70
  6. Step 6: Final answer
    x = 22,170.06

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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.