Home / 30,746.90-46,120.26-9,688.70

Finding the Fourth Proportional to 30,746.90, 46,120.26 and 9,688.70

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Solution

The fourth proportional to 30,746.90, 46,120.26 and 9,688.70 is: 14,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746.90 : 46,120.26 = 9,688.70 : x
  2. Step 2: Convert to fraction form
    30,746.90/46,120.26 = 9,688.70/x
  3. Step 3: Cross multiply
    30,746.90x = 46,120.26 × 9,688.70
  4. Step 4: Simplify right side
    30,746.90x = 446,845,363.06
  5. Step 5: Solve for x
    x = 446,845,363.06/30,746.90
  6. Step 6: Final answer
    x = 14,533.02

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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.