Home / 45,036.10-62,117.60-31,610.36

Finding the Fourth Proportional to 45,036.10, 62,117.60 and 31,610.36

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Solution

The fourth proportional to 45,036.10, 62,117.60 and 31,610.36 is: 43,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036.10 : 62,117.60 = 31,610.36 : x
  2. Step 2: Convert to fraction form
    45,036.10/62,117.60 = 31,610.36/x
  3. Step 3: Cross multiply
    45,036.10x = 62,117.60 × 31,610.36
  4. Step 4: Simplify right side
    45,036.10x = 1,963,559,698.34
  5. Step 5: Solve for x
    x = 1,963,559,698.34/45,036.10
  6. Step 6: Final answer
    x = 43,599.68

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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.