Home / 35,038.40-48,352.31-19,122.96

Finding the Fourth Proportional to 35,038.40, 48,352.31 and 19,122.96

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Solution

The fourth proportional to 35,038.40, 48,352.31 and 19,122.96 is: 26,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,038.40 : 48,352.31 = 19,122.96 : x
  2. Step 2: Convert to fraction form
    35,038.40/48,352.31 = 19,122.96/x
  3. Step 3: Cross multiply
    35,038.40x = 48,352.31 × 19,122.96
  4. Step 4: Simplify right side
    35,038.40x = 924,639,290.04
  5. Step 5: Solve for x
    x = 924,639,290.04/35,038.40
  6. Step 6: Final answer
    x = 26,389.31

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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.