Home / 64,779.14-89,417.56-37,930.26

Finding the Fourth Proportional to 64,779.14, 89,417.56 and 37,930.26

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Solution

The fourth proportional to 64,779.14, 89,417.56 and 37,930.26 is: 52,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,779.14 : 89,417.56 = 37,930.26 : x
  2. Step 2: Convert to fraction form
    64,779.14/89,417.56 = 37,930.26/x
  3. Step 3: Cross multiply
    64,779.14x = 89,417.56 × 37,930.26
  4. Step 4: Simplify right side
    64,779.14x = 3,391,631,299.37
  5. Step 5: Solve for x
    x = 3,391,631,299.37/64,779.14
  6. Step 6: Final answer
    x = 52,356.84

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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.