Home / 35,820.64-49,430.40-19,904.16

Finding the Fourth Proportional to 35,820.64, 49,430.40 and 19,904.16

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Solution

The fourth proportional to 35,820.64, 49,430.40 and 19,904.16 is: 27,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.64 : 49,430.40 = 19,904.16 : x
  2. Step 2: Convert to fraction form
    35,820.64/49,430.40 = 19,904.16/x
  3. Step 3: Cross multiply
    35,820.64x = 49,430.40 × 19,904.16
  4. Step 4: Simplify right side
    35,820.64x = 983,870,590.46
  5. Step 5: Solve for x
    x = 983,870,590.46/35,820.64
  6. Step 6: Final answer
    x = 27,466.58

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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.