Home / 64,457.64-96,682.56-38,328.66

Finding the Fourth Proportional to 64,457.64, 96,682.56 and 38,328.66

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Solution

The fourth proportional to 64,457.64, 96,682.56 and 38,328.66 is: 57,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,457.64 : 96,682.56 = 38,328.66 : x
  2. Step 2: Convert to fraction form
    64,457.64/96,682.56 = 38,328.66/x
  3. Step 3: Cross multiply
    64,457.64x = 96,682.56 × 38,328.66
  4. Step 4: Simplify right side
    64,457.64x = 3,705,712,970.17
  5. Step 5: Solve for x
    x = 3,705,712,970.17/64,457.64
  6. Step 6: Final answer
    x = 57,490.67

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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.