Home / 47,087.34-64,986.75-30,368.94

Finding the Fourth Proportional to 47,087.34, 64,986.75 and 30,368.94

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Solution

The fourth proportional to 47,087.34, 64,986.75 and 30,368.94 is: 41,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.34 : 64,986.75 = 30,368.94 : x
  2. Step 2: Convert to fraction form
    47,087.34/64,986.75 = 30,368.94/x
  3. Step 3: Cross multiply
    47,087.34x = 64,986.75 × 30,368.94
  4. Step 4: Simplify right side
    47,087.34x = 1,973,578,711.55
  5. Step 5: Solve for x
    x = 1,973,578,711.55/47,087.34
  6. Step 6: Final answer
    x = 41,913.15

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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.