Home / 35,328.48-48,724.88-31,070.40

Finding the Fourth Proportional to 35,328.48, 48,724.88 and 31,070.40

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Solution

The fourth proportional to 35,328.48, 48,724.88 and 31,070.40 is: 42,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,328.48 : 48,724.88 = 31,070.40 : x
  2. Step 2: Convert to fraction form
    35,328.48/48,724.88 = 31,070.40/x
  3. Step 3: Cross multiply
    35,328.48x = 48,724.88 × 31,070.40
  4. Step 4: Simplify right side
    35,328.48x = 1,513,901,511.55
  5. Step 5: Solve for x
    x = 1,513,901,511.55/35,328.48
  6. Step 6: Final answer
    x = 42,852.16

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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.