Home / 39,353.70-59,038.07-12,706.81

Finding the Fourth Proportional to 39,353.70, 59,038.07 and 12,706.81

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Solution

The fourth proportional to 39,353.70, 59,038.07 and 12,706.81 is: 19,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.70 : 59,038.07 = 12,706.81 : x
  2. Step 2: Convert to fraction form
    39,353.70/59,038.07 = 12,706.81/x
  3. Step 3: Cross multiply
    39,353.70x = 59,038.07 × 12,706.81
  4. Step 4: Simplify right side
    39,353.70x = 750,185,576.19
  5. Step 5: Solve for x
    x = 750,185,576.19/39,353.70
  6. Step 6: Final answer
    x = 19,062.64

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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.