Home / 64,521.05-89,030.79-37,657.40

Finding the Fourth Proportional to 64,521.05, 89,030.79 and 37,657.40

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Solution

The fourth proportional to 64,521.05, 89,030.79 and 37,657.40 is: 51,962.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.05 : 89,030.79 = 37,657.40 : x
  2. Step 2: Convert to fraction form
    64,521.05/89,030.79 = 37,657.40/x
  3. Step 3: Cross multiply
    64,521.05x = 89,030.79 × 37,657.40
  4. Step 4: Simplify right side
    64,521.05x = 3,352,667,626.19
  5. Step 5: Solve for x
    x = 3,352,667,626.19/64,521.05
  6. Step 6: Final answer
    x = 51,962.39

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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.