Home / 64,225.76-88,631.64-35,931.47

Finding the Fourth Proportional to 64,225.76, 88,631.64 and 35,931.47

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Solution

The fourth proportional to 64,225.76, 88,631.64 and 35,931.47 is: 49,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,225.76 : 88,631.64 = 35,931.47 : x
  2. Step 2: Convert to fraction form
    64,225.76/88,631.64 = 35,931.47/x
  3. Step 3: Cross multiply
    64,225.76x = 88,631.64 × 35,931.47
  4. Step 4: Simplify right side
    64,225.76x = 3,184,664,670.55
  5. Step 5: Solve for x
    x = 3,184,664,670.55/64,225.76
  6. Step 6: Final answer
    x = 49,585.48

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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.