Home / 47,417.78-65,430.63-29,518.56

Finding the Fourth Proportional to 47,417.78, 65,430.63 and 29,518.56

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Solution

The fourth proportional to 47,417.78, 65,430.63 and 29,518.56 is: 40,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,417.78 : 65,430.63 = 29,518.56 : x
  2. Step 2: Convert to fraction form
    47,417.78/65,430.63 = 29,518.56/x
  3. Step 3: Cross multiply
    47,417.78x = 65,430.63 × 29,518.56
  4. Step 4: Simplify right side
    47,417.78x = 1,931,417,977.49
  5. Step 5: Solve for x
    x = 1,931,417,977.49/47,417.78
  6. Step 6: Final answer
    x = 40,731.93

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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.