Home / 53,931.08-74,426.64-30,062.82

Finding the Fourth Proportional to 53,931.08, 74,426.64 and 30,062.82

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Solution

The fourth proportional to 53,931.08, 74,426.64 and 30,062.82 is: 41,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.08 : 74,426.64 = 30,062.82 : x
  2. Step 2: Convert to fraction form
    53,931.08/74,426.64 = 30,062.82/x
  3. Step 3: Cross multiply
    53,931.08x = 74,426.64 × 30,062.82
  4. Step 4: Simplify right side
    53,931.08x = 2,237,474,681.52
  5. Step 5: Solve for x
    x = 2,237,474,681.52/53,931.08
  6. Step 6: Final answer
    x = 41,487.67

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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.