Home / 35,346.60-48,779.27-19,431.31

Finding the Fourth Proportional to 35,346.60, 48,779.27 and 19,431.31

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Solution

The fourth proportional to 35,346.60, 48,779.27 and 19,431.31 is: 26,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.60 : 48,779.27 = 19,431.31 : x
  2. Step 2: Convert to fraction form
    35,346.60/48,779.27 = 19,431.31/x
  3. Step 3: Cross multiply
    35,346.60x = 48,779.27 × 19,431.31
  4. Step 4: Simplify right side
    35,346.60x = 947,845,116.94
  5. Step 5: Solve for x
    x = 947,845,116.94/35,346.60
  6. Step 6: Final answer
    x = 26,815.74

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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.