Home / 64,726.48-97,089.56-20,357.12

Finding the Fourth Proportional to 64,726.48, 97,089.56 and 20,357.12

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Solution

The fourth proportional to 64,726.48, 97,089.56 and 20,357.12 is: 30,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,726.48 : 97,089.56 = 20,357.12 : x
  2. Step 2: Convert to fraction form
    64,726.48/97,089.56 = 20,357.12/x
  3. Step 3: Cross multiply
    64,726.48x = 97,089.56 × 20,357.12
  4. Step 4: Simplify right side
    64,726.48x = 1,976,463,823.67
  5. Step 5: Solve for x
    x = 1,976,463,823.67/64,726.48
  6. Step 6: Final answer
    x = 30,535.63

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1.5x scale

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.