Home / 30,870.36-46,308.60-8,683.92

Finding the Fourth Proportional to 30,870.36, 46,308.60 and 8,683.92

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Solution

The fourth proportional to 30,870.36, 46,308.60 and 8,683.92 is: 13,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,870.36 : 46,308.60 = 8,683.92 : x
  2. Step 2: Convert to fraction form
    30,870.36/46,308.60 = 8,683.92/x
  3. Step 3: Cross multiply
    30,870.36x = 46,308.60 × 8,683.92
  4. Step 4: Simplify right side
    30,870.36x = 402,140,177.71
  5. Step 5: Solve for x
    x = 402,140,177.71/30,870.36
  6. Step 6: Final answer
    x = 13,026.74

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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.