Home / 45,312.16-67,972.56-17,612.32

Finding the Fourth Proportional to 45,312.16, 67,972.56 and 17,612.32

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Solution

The fourth proportional to 45,312.16, 67,972.56 and 17,612.32 is: 26,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312.16 : 67,972.56 = 17,612.32 : x
  2. Step 2: Convert to fraction form
    45,312.16/67,972.56 = 17,612.32/x
  3. Step 3: Cross multiply
    45,312.16x = 67,972.56 × 17,612.32
  4. Step 4: Simplify right side
    45,312.16x = 1,197,154,477.94
  5. Step 5: Solve for x
    x = 1,197,154,477.94/45,312.16
  6. Step 6: Final answer
    x = 26,420.16

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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.