Home / 42,689.23-64,032.94-14,228.24

Finding the Fourth Proportional to 42,689.23, 64,032.94 and 14,228.24

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Solution

The fourth proportional to 42,689.23, 64,032.94 and 14,228.24 is: 21,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689.23 : 64,032.94 = 14,228.24 : x
  2. Step 2: Convert to fraction form
    42,689.23/64,032.94 = 14,228.24/x
  3. Step 3: Cross multiply
    42,689.23x = 64,032.94 × 14,228.24
  4. Step 4: Simplify right side
    42,689.23x = 911,075,878.14
  5. Step 5: Solve for x
    x = 911,075,878.14/42,689.23
  6. Step 6: Final answer
    x = 21,342.06

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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.