Home / 30,945.08-46,410.15-14,289.10

Finding the Fourth Proportional to 30,945.08, 46,410.15 and 14,289.10

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Solution

The fourth proportional to 30,945.08, 46,410.15 and 14,289.10 is: 21,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.08 : 46,410.15 = 14,289.10 : x
  2. Step 2: Convert to fraction form
    30,945.08/46,410.15 = 14,289.10/x
  3. Step 3: Cross multiply
    30,945.08x = 46,410.15 × 14,289.10
  4. Step 4: Simplify right side
    30,945.08x = 663,159,274.37
  5. Step 5: Solve for x
    x = 663,159,274.37/30,945.08
  6. Step 6: Final answer
    x = 21,430.20

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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.