Home / 53,730.16-74,148.36-29,856.40

Finding the Fourth Proportional to 53,730.16, 74,148.36 and 29,856.40

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Solution

The fourth proportional to 53,730.16, 74,148.36 and 29,856.40 is: 41,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.16 : 74,148.36 = 29,856.40 : x
  2. Step 2: Convert to fraction form
    53,730.16/74,148.36 = 29,856.40/x
  3. Step 3: Cross multiply
    53,730.16x = 74,148.36 × 29,856.40
  4. Step 4: Simplify right side
    53,730.16x = 2,213,803,095.50
  5. Step 5: Solve for x
    x = 2,213,803,095.50/53,730.16
  6. Step 6: Final answer
    x = 41,202.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.