Home / 45,385.74-68,088.33-19,075.32

Finding the Fourth Proportional to 45,385.74, 68,088.33 and 19,075.32

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Solution

The fourth proportional to 45,385.74, 68,088.33 and 19,075.32 is: 28,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385.74 : 68,088.33 = 19,075.32 : x
  2. Step 2: Convert to fraction form
    45,385.74/68,088.33 = 19,075.32/x
  3. Step 3: Cross multiply
    45,385.74x = 68,088.33 × 19,075.32
  4. Step 4: Simplify right side
    45,385.74x = 1,298,806,683.02
  5. Step 5: Solve for x
    x = 1,298,806,683.02/45,385.74
  6. Step 6: Final answer
    x = 28,617.07

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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.