Home / 47,277.60-70,916.40-42,669.60

Finding the Fourth Proportional to 47,277.60, 70,916.40 and 42,669.60

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Solution

The fourth proportional to 47,277.60, 70,916.40 and 42,669.60 is: 64,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,277.60 : 70,916.40 = 42,669.60 : x
  2. Step 2: Convert to fraction form
    47,277.60/70,916.40 = 42,669.60/x
  3. Step 3: Cross multiply
    47,277.60x = 70,916.40 × 42,669.60
  4. Step 4: Simplify right side
    47,277.60x = 3,025,974,421.44
  5. Step 5: Solve for x
    x = 3,025,974,421.44/47,277.60
  6. Step 6: Final answer
    x = 64,004.40

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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.